ath | Math Pro © PicMonkey Savede.. Mail-Dinh.Ngo@e U Hom MTSC 121 College Algeb

Question

ath | Math Pro © PicMonkey Savede.. Mail-Dinh.Ngo@e U Hom MTSC 121 College Algebra . Test # 1 Review ( 1.2-2.3) . Spring 2018 1. Complete the following: (CLO 4) (a) Find the domain and range of the relation. (b) Determine the maximum and minimum of the x-values and then of the y-values. (c) Plot the relation. 2. Find the distance between the two points. (CLO 1) 3. Find the midpoint of the line segment joining the two points.(CLO 1) (a) (28,-33), (52, 38) 4. Find the center and radius of the circle. (CLO 2) (a) x2 + y2-20 5. Find the standard equation of the circle that satisfies the conditions.(CLO 2) (a) Center (-4, 5) and radius 8. (b) Endpoints of a diameter (-2,4) and (6,6) 6. Find the standard equation of the circle. (CLO 2) (b) (24,-16), (-20, 13) (b) (x- 2)2(y 3)29 7. Find f(x) for the indicated values of x. Find the domain of f(x).(CLO 4) (a) f(x)=r-s for x=-1 (b) f(x)=VR] for x-1

Explanation / Answer

4 ) a. x^2 +y^2 =20

( x- 0)^2 + ( y-0)^2 = 20

centre = ( 0, 0)

radius = 20^ 1/2

b. ( x-2)^2+( y+3)^2 = 9

(x-2)^2 +(y--3)^2= 3^2

centre= (2,-3)

radius= 3 ..

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